
| 2024 | 0.000073 | 0.05 | 118.2 | 0.15% |
| 2023 | 0.000065 | 0.05 | 118.5 | 0.14% |
| 2022 | 0.000065 | 0.04 | 106.4 | 0.15% |
| 2021 | 0.000038 | 0.05 | 114.7 | 0.08% |
| 2020 | 0.000024 | 0.04 | 90.33 | 0.07% |
| 2019 | 0.00002 | 0.04 | 108.9 | 0.05% |
| 2018 | 0.000017 | 0.04 | 105.6 | 0.04% |
| 2017 | 0.0000072 | 0.05 | 128.9 | 0.01% |
| 2016 | 0.0000068 | 0.04 | 108.8 | 0.02% |
| 2015 | 0.0000068 | 0.04 | 104.6 | 0.02% |
| 2014 | 0.0000068 | 0.04 | 110.3 | 0.02% |
| 2013 | 0.0000068 | 0.04 | 113.4 | 0.02% |
| 2012 | 0.0000031 | 0.05 | 123 | 0.0067% |
| 2011 | 0.000002 | 0.04 | 107.5 | 0.0051% |
| 2010 | 0.0000017 | 0.05 | 123.1 | 0.0038% |
| 2009 | 0 | 0.04 | 119.7 | 0% |
| 2008 | 0 | 0.06 | 161.3 | 0% |
| 2007 | 0 | 0.06 | 167.3 | 0% |
| 2006 | 0 | 0.05 | 147.4 | 0% |
| 2005 | 0 | 0.04 | 128.5 | 0% |
| 2004 | 0 | 0.05 | 135.3 | 0% |
| 2003 | 0 | 0.04 | 123.6 | 0% |
| 2002 | 0 | 0.06 | 179.1 | 0% |
| 2001 | 0 | 0.06 | 174.6 | 0% |
| 2000 | 0 | 0.06 | 173.5 | 0% |
| 1999 | 0 | 0.05 | 148.1 | 0% |
| 1998 | 0 | 0.05 | 170.6 | 0% |
| 1997 | 0 | 0.05 | 152.4 | 0% |
| 1996 | 0 | 0.05 | 158.7 | 0% |
| 1995 | 0 | 0.04 | 143 | 0% |
| 1994 | 0 | 0.04 | 121.7 | 0% |
| 1993 | 0 | 0.03 | 111.5 | 0% |
| 1992 | 0 | 0.03 | 107.6 | 0% |
| 1991 | 0 | 0.04 | 129.5 | 0% |
| 1990 | 0 | 0.04 | 148.5 | 0% |
| 1989 | 0 | 0.04 | 142.1 | 0% |
| 1988 | 0 | 0.03 | 126.4 | 0% |
| 1987 | 0 | 0.04 | 138.2 | 0% |
| 1986 | 0 | 0.03 | 126 | 0% |
| 1985 | 0 | 0.03 | 127.3 | 0% |
| 1984 | 0 | 0.04 | 147.1 | 0% |
| 1983 | 0 | 0.04 | 166.8 | 0% |
| 1982 | 0 | 0.05 | 223.2 | 0% |
| 1981 | 0 | 0.06 | 263.3 | 0% |
| 1980 | 0 | 0.06 | 259.4 | 0% |